252501384008 has 8 divisors (see below), whose sum is σ = 473440095030. Its totient is φ = 126250692000.

The previous prime is 252501383951. The next prime is 252501384041. The reversal of 252501384008 is 800483105252.

It can be written as a sum of positive squares in only one way, i.e., 225414149284 + 27087234724 = 474778^2 + 164582^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15781336493 + ... + 15781336508.

Almost surely, 2^252501384008 is an apocalyptic number.

It is an amenable number.

252501384008 is a deficient number, since it is larger than the sum of its proper divisors (220938711022).

252501384008 is a wasteful number, since it uses less digits than its factorization.

252501384008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31562673007 (or 31562673003 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The spelling of 252501384008 in words is "two hundred fifty-two billion, five hundred one million, three hundred eighty-four thousand, eight".